Divide 3 groups first.
( m. I1 Q+ j: ]) Btvboxnow.comi.e. 4 x 4 x 4.
; s, c4 X$ y8 g7 u! v公仔箱論壇Weight any 2 groups [1st]
* M) R r( j) T8 u) K! kthen you will know the heavier ball in which group.. T E8 g. x3 A% n
Weight any 2 balls in that group [2nd]
1 q, X1 l8 c. a4 K+ m2 Vthen you will know the heavier ball in which 2 balls.
+ f7 K# y$ t. V# A% a' [: n7 \- H公仔箱論壇Repeat again in remainders [3rd]
4 W4 F7 n' u% v2 D4 r6 MGot the heavier ball. |
發表於 2009-7-2 12:48 PM
| 
